| CAS No. | 1228957-08-1 |
| Molecular Formula | C21H25NO2Si |
| Molecular Weight | 351.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(1-(tert-Butyldimethylsilyl)-1H-indol-5-yl)benzoic acid.
3-(1-(tert-Butyldimethylsilyl)-1H-indol-5-yl)benzoic acid (CAS 1228957-08-1), molecular formula C21H25NO2Si and molecular weight 351.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H25NO2Si, 3-(1-(tert-Butyldimethylsilyl)-1H-indol-5-yl)benzoic acid contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 351.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 3-(1-(tert-Butyldimethylsilyl)-1H-indol-5-yl)benzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C21H25NO2Si |
| Molecular Weight | 351.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |